Hogaak, Arisen Necropolis, Altar of Dementia, Bridge from Below, and Fumulus, the Infestation Combo

Hogaak, Arisen Necropolis, Altar of Dementia, Bridge from Below, and Fumulus, the Infestation

Here's how the cards Hogaak, Arisen Necropolis, Altar of Dementia, Bridge from Below, and Fumulus, the Infestation results in Near-infinite ETB, Near-infinite storm count, Near-infinite LTB, Exile your library, Near-infinite mill, Near-infinite death triggers, Near-infinite sacrifice triggers, and Near-infinite tapped creature tokens

Hogaak, Arisen Necropolis

Altar of Dementia

Bridge from Below

Fumulus, the Infestation

Prerequisites

Hogaak, Arisen Necropolis on the battlefield
Altar of Dementia on the battlefield
Bridge from Below in the graveyard
Fumulus, the Infestation on the battlefield

Steps

Activate Altar of Dementia by sacrificing Hogaak
When Hogaak dies, Bridge from Below and Fumulus trigger, creating two creature tokens
Resolve the Altar of Dementia ability, causing you to mill eight cards
Cast Hogaak from your graveyard by exiling five cards from your graveyard and tapping two black and/or green creatures you control
Repeat